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<textarea name='code' class='java:nogutter' rows='15' cols='120'>
/*
 * SmartGWT (GWT for SmartClient)
 * Copyright 2008 and beyond, Isomorphic Software, Inc.
 *
 * SmartGWT is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License version 3
 * as published by the Free Software Foundation.  SmartGWT is also
 * available under typical commercial license terms - see
 * http://smartclient.com/license
 *
 * This software is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * Lesser General Public License for more details.
 */

import com.google.gwt.i18n.client.NumberFormat;
import com.smartgwt.client.data.DataSource;
import com.smartgwt.client.types.ListGridFieldType;
import com.smartgwt.client.types.TopOperatorAppearance;
import com.smartgwt.client.widgets.Canvas;
import com.smartgwt.client.widgets.IButton;
import com.smartgwt.client.widgets.events.ClickEvent;
import com.smartgwt.client.widgets.events.ClickHandler;
import com.smartgwt.client.widgets.form.FilterBuilder;
import com.smartgwt.client.widgets.grid.CellFormatter;
import com.smartgwt.client.widgets.grid.ListGrid;
import com.smartgwt.client.widgets.grid.ListGridField;
import com.smartgwt.client.widgets.grid.ListGridRecord;
import com.smartgwt.client.widgets.layout.VStack;
import com.smartgwt.sample.showcase.client.data.WorldXmlDS;

public class GridFilterBulderSample implements EntryPoint {
    

    public void onModuleLoad() {

        DataSource worldDS = WorldXmlDS.getInstance();

        final FilterBuilder filterBuilder = new FilterBuilder();        
        filterBuilder.setDataSource(worldDS);
        filterBuilder.setTopOperatorAppearance(TopOperatorAppearance.RADIO);

        final ListGrid countryGrid = new ListGrid();
        countryGrid.setWidth(550);
        countryGrid.setHeight(224);
        countryGrid.setAlternateRecordStyles(true);
        countryGrid.setDataSource(worldDS);
        countryGrid.setAutoFetchData(true);

        ListGridField nameField = new ListGridField("countryName", "Country");
        ListGridField continentField = new ListGridField("continent", "Continent");
        ListGridField memberG8Field = new ListGridField("member_g8", "Member G8");
        memberG8Field.setCanEdit(false);

        ListGridField populationField = new ListGridField("population", "Population");
        populationField.setType(ListGridFieldType.INTEGER);
        populationField.setCellFormatter(new CellFormatter() {
            public String format(Object value, ListGridRecord record, int rowNum, int colNum) {
                if(value == null) return null;
                try {
                    NumberFormat nf = NumberFormat.getFormat("0,000");
                    return nf.format(((Number) value).longValue());
                } catch (Exception e) {
                    return value.toString();
                }
            }
        });
        ListGridField independenceField = new ListGridField("independence", "Independence");
        countryGrid.setFields(nameField,continentField, memberG8Field, populationField, independenceField);

        IButton filterButton = new IButton("Filter");
        filterButton.addClickHandler(new ClickHandler() {
            public void onClick(ClickEvent event) {
                countryGrid.filterData(filterBuilder.getCriteria());
            }
        });

        VStack vStack = new VStack(10);
        vStack.addMember(filterBuilder);
        vStack.addMember(filterButton);
        vStack.addMember(countryGrid);

        vStack.draw();
    }

}
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